(19)

(11)

EP 3 310 556 A1

(12)

(43) Date of publication: 25.04.2018 Bulletin 2018/17 (21) Application number: 16731079.6 (22) Date of filing: 13.06.2016

(51) International Patent Classification (IPC):  B29C 67/00(2017.01) B22F 3/105(2006.01) (86) International application number: PCT/EP2016/063535 (87) International publication number: WO 2016/202753 (22.12.2016 Gazette 2016/51)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: MA MD (30) Priority: 17.06.2015 WO PCT/EP2015/172624 (71) Applicant: Sintratec AG 5200 Brugg (CH)	(72) Inventor: VON BURG, Christian 9052 Niederteufen (CH) (74) Representative: Herrmann, Johanna  Industrial Property Services GmbH Rosenweg 14 4303 Kaiseraugst 4303 Kaiseraugst (CH)